<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=k, initial-scale=1.0">
    <title>Document</title>
    <style>
        span{
            background-color: aqua;
            font-size: 44;
        }
    </style>
</head>
<body>
    <!-- 快速生成测试文本 -->
     <!-- lorem+数字+tab -->
      <!-- div 容器标签 占一行 -->
       <div>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Voluptatibus, quis!</div>
       <div>Lorem, ipsum dolor sit amet consectetur adipisicing elit. Voluptatibus, quis!</div>
       <!-- span 容器标签 给了之后不会有任何外观的改变，除非添加样式 -->
        <span>Lorem ipsum dolor sit amet consectetur.</span>
        <div>Lorem ipsum dolor <span>sit amet</span> consectetur.</div>
</body>
</html>